Group Number
Not Available
Element Family
Transition Metal
Actinide
Space Group Name
Not Available
Pnma
Space Group Number
Not Available
Interesting Facts
- Hassium metals rate of decay is very high.
- Hassium metals 1st sample was synthesized through a nuclear reaction.
Not Available
Sources
Synthetically Produced
Made by Bombarding Uranium with Neutrons, Ores of metals
Who Discovered
Gesellschaft für Schwerionenforschung
Edwin McMillan and Philip H. Abelson
Discovery
In 1984
In 1940
Uses & Benefits
- Currently known uses of Hassium metal are limited to research purpose only.
- Currently known uses of Neptunium metal are limited to research purpose only.
-
Neptunium’s isotope neptunium-237 is used as a neutron detectors.
Other Uses
Research Purposes
Alloys, Nuclear Research, Research Purposes
Present in Human Body
No
No
Melting Point
Not Available
Boiling Point
Not Available
Physical State
Solid
Solid
Speed of Sound
Not Available
Not Available
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Pauling Electronegativity
Not Available
Allred Rochow Electronegativity
Not Available
Pauling Electropositivity
Not Available
5th Energy Level
Not Available
6th Energy Level
Not Available
7th Energy level
Not Available
8th Energy Level
Not Available
Electrochemical Equivalent
Not Available
Electron Work Function
Not Available
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Electron Configuration
[Rn] 5f14 6d6 7s2
[Rn] 5f4 6d1 7s2
Crystal Structure
Hexagonal Close Packed (HCP)
Orthorhombic (ORTH)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
ORTH-Crystal-Structure-of-Neptunium.jpg#100
Van der Waals Radius
Not Available
Atomic Volume
Not Available
Valence Electron Potential
Not Available
Lattice Constant
Not Available
Lattice Angles
NA
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
Density At Room Temperature
Tensile Strength
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure at 2000 K
Not Available
Poisson Ratio
Not Available
Not Available
Other Mechanical Properties
Unknown
Ductile
Specific Gravity
Not Available
Magnetic Ordering
Unknown
Paramagnetic
Electrical Property
Unknown
Conductor
Resistivity
Not Available
Electrical Conductivity
Not Available
Specific Heat
Not Available
Molar Heat Capacity
Not Available
Thermal Conductivity
Not Available
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
Not Available
Enthalpy of Fusion
Not Available
Standard Molar Entropy
Not Available
Not Available